Damage Condition Possible Causes Countermeasures

Dull or cloudy spots appear on surface along with light Wear. From such dull spots, tiny Cracks are generated downward to a depth of 5-10 オm. Small particles fall off and minor Flaking occurs widely.

Unsuitable lubricant
Entry of debris into lubrication
Rough surface due to poor lubrication
Surface roughness of mating rolling parts

  • Select a proper lubricant
  • Improve the sealing mechanism
  • Improve the surface finish of the rolling mating parts